Clinically effective - optimum level of iodine, providing 100% of your daily requirement (150ug) per drop. Iodine supports thyroid function, energy, nervous system and cognition. Optimum support - optimally absorbed, high potency nutrients using the best and easiest nutrient forms for the body to absorb and use. Pure - in a simple, purified water base with no unnecessary additives. Flexible - only use what you need, easily mixed into liquids or taken under the tongue, and convenient to use on the go. Especially suited to those who have difficulty swallowing tablets or capsules, those with digestive and absorption difficulties. All-vegan ingredients. 349 days' supply at 1 drop per day.